0.70x+0.05(16-x)=0.10(21)

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Solution for 0.70x+0.05(16-x)=0.10(21) equation: 


Simplifying
0.70x + 0.05(16 + -1x) = 0.10(21)
0.70x + (16 * 0.05 + -1x * 0.05) = 0.10(21)
0.70x + (0.8 + -0.05x) = 0.10(21)

Reorder the terms:
0.8 + 0.70x + -0.05x = 0.10(21)

Combine like terms: 0.70x + -0.05x = 0.65x
0.8 + 0.65x = 0.10(21)

Multiply 0.10 * 21
0.8 + 0.65x = 2.1

Solving
0.8 + 0.65x = 2.1

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-0.8' to each side of the equation.
0.8 + -0.8 + 0.65x = 2.1 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + 0.65x = 2.1 + -0.8
0.65x = 2.1 + -0.8

Combine like terms: 2.1 + -0.8 = 1.3
0.65x = 1.3

Divide each side by '0.65'.
x = 2

Simplifying
x = 2

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